The quality of hydraulic structure of Gezhouba ship lock has a direct impact on the service life of the hub.For 38 years of operation of the Gezhouba ship lock,we manage the operation and maintenance of its hydraulic structures to rigorously follow the national and ministerial laws,regulations and standards,establish a scientific and standardized maintenance management system,and strengthen the management of daily inspections,instrument monitoring,daily maintenance,and monitoring data,adopt engineering treatment measures such as ship lock monitoring facility automation transformation,structural seam leakage treatment etc,innovate ship lock maintenance construction method,process and technology,establish the rapid maintenance system for ship lock,set up a professional ship lock maintenance team,and continuously improve the management capability and level of the operation and maintenance to ensure the safety and stability of hydraulic structure of Gezhouba ship lock.